Molecular formula
C21H19N3O2
246 compounds have this formula on CompoundList.
- Molar mass
- 345.40g/mol
- Monoisotopic mass
- 345.1477Da
- Atoms
- 45
- Elements
- 4
- Rings plus double bonds
- 14
The formula C21H19N3O2 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 2 oxygen atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.
Elemental composition
- C Carbon × 2173.03%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 195.54%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 312.17%14.007 × 3 = 42.021 g/mol
- O Oxygen × 29.26%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C21H19N3O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 246 compounds
![N-(4-{[Ethyl(phenyl)amino]carbonyl}phenyl)isonicotinamide chemical structure, C21H19N3O2, CAS 941423-08-1](/s/ZLDHVGVPVYMIHX-UHFFFAOYSA-N.svg)
N-(4-{[Ethyl(phenyl)amino]carbonyl}phenyl)isonicotinamide
CAS 941423-08-1C21H19N3O2
2-((4-(2,2-Dicyanovinyl)phenyl)ethylamino)ethyl benzoate
CAS 84255-12-9C21H19N3O2
![7-[(4-Ethoxyphenyl)amino]-6-phenyl-5H,6H,7H-pyrrolo[3,4-B]pyridin-5-one chemical structure, C21H19N3O2, CAS 933024-78-3](/s/CCACJQOQAAZFEP-UHFFFAOYSA-N.svg)
7-[(4-Ethoxyphenyl)amino]-6-phenyl-5H,6H,7H-pyrrolo[3,4-B]pyridin-5-one
CAS 933024-78-3C21H19N3O2
1-(1-Methyl-2-oxoindolin-5-yl)-3-(naphthalen-1-ylmethyl)urea
CAS 1171828-35-5C21H19N3O2
1-Ethyl-6-methyl-3-(3-(m-tolyl)-1,2,4-oxadiazol-5-yl)quinolin-4(1H)-one
CAS 1326824-53-6C21H19N3O2
![3-[3-(4-Methylphenyl)-1,2,4-oxadiazol-5-yl]-1-propylquinolin-4(1H)-one chemical structure, C21H19N3O2, CAS 1326832-89-6](/s/WQXYLSMINROXTG-UHFFFAOYSA-N.svg)
3-[3-(4-Methylphenyl)-1,2,4-oxadiazol-5-yl]-1-propylquinolin-4(1H)-one
CAS 1326832-89-6C21H19N3O2
![3-[3-(3-Methylphenyl)-1,2,4-oxadiazol-5-yl]-1-propylquinolin-4(1H)-one chemical structure, C21H19N3O2, CAS 1326930-47-5](/s/DSWRJVYIRWVLAA-UHFFFAOYSA-N.svg)
3-[3-(3-Methylphenyl)-1,2,4-oxadiazol-5-yl]-1-propylquinolin-4(1H)-one
CAS 1326930-47-5C21H19N3O2
![5-(1-Phenylcyclopropanecarbonyl)-1,5,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),9,11,13-tetraen-2-one chemical structure, C21H19N3O2, CAS 2034505-58-1](/s/LYKHPFGKEWCRQX-UHFFFAOYSA-N.svg)
5-(1-Phenylcyclopropanecarbonyl)-1,5,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),9,11,13-tetraen-2-one
CAS 2034505-58-1C21H19N3O2
(E)-3-(4-Butoxyphenyl)-2-(4-oxo-3,4-dihydroquinazolin-2-yl)acrylonitrile
CAS 620583-48-4C21H19N3O2
N-(3-Acetylphenyl)-N'-(4-anilinophenyl)urea
CAS 194784-13-9C21H19N3O2
![1-[(4-Methoxybenzyl)oxy]-2-(4-methylphenyl)-1H-imidazo[4,5-b]pyridine chemical structure, C21H19N3O2, CAS 400087-60-7](/s/DCLNWDKVIHQUTL-UHFFFAOYSA-N.svg)
1-[(4-Methoxybenzyl)oxy]-2-(4-methylphenyl)-1H-imidazo[4,5-b]pyridine
CAS 400087-60-7C21H19N3O2
![2-(4-Methoxyphenyl)-1-[(4-methylbenzyl)oxy]-1H-imidazo[4,5-b]pyridine chemical structure, C21H19N3O2, CAS 339027-58-6](/s/AIRPPIKVYYOGFN-UHFFFAOYSA-N.svg)
2-(4-Methoxyphenyl)-1-[(4-methylbenzyl)oxy]-1H-imidazo[4,5-b]pyridine
CAS 339027-58-6C21H19N3O2
![(3,4-Dimethoxybenzylidene)[4-(phenyldiazenyl)phenyl]amine chemical structure, C21H19N3O2, CAS 316130-83-3](/s/MHPXMJFCIITESD-UHFFFAOYSA-N.svg)
(3,4-Dimethoxybenzylidene)[4-(phenyldiazenyl)phenyl]amine
CAS 316130-83-3C21H19N3O2
![(5E)-3-Phenyl-5-[(1-propan-2-ylindol-3-yl)methylidene]imidazolidine-2,4-dione chemical structure, C21H19N3O2, CAS 444778-41-0](/s/IEIFUBMIQMWUTL-LDADJPATSA-N.svg)
(5E)-3-Phenyl-5-[(1-propan-2-ylindol-3-yl)methylidene]imidazolidine-2,4-dione
CAS 444778-41-0C21H19N3O2
![1-Phenyl-1-ethanone O-(6-{[(1-phenylethylidene)amino]oxy}-2-pyridinyl)oxime chemical structure, C21H19N3O2, CAS 337921-57-0](/s/RTZIYMDZPVZBOV-JVBWRSBESA-N.svg)
1-Phenyl-1-ethanone O-(6-{[(1-phenylethylidene)amino]oxy}-2-pyridinyl)oxime
CAS 337921-57-0C21H19N3O2
![2-(2-Methyl-1H-indol-3-yl)-N-[(2-methyl-1H-indol-5-yl)methyl]-2-oxoacetamide chemical structure, C21H19N3O2, CAS 862813-52-3](/s/CZDWOPFNSMSHBZ-UHFFFAOYSA-N.svg)
2-(2-Methyl-1H-indol-3-yl)-N-[(2-methyl-1H-indol-5-yl)methyl]-2-oxoacetamide
CAS 862813-52-3C21H19N3O2
![7-(3,4-Dimethoxyphenyl)-2-methyl-3-phenylpyrazolo[1,5-a]pyrimidine chemical structure, C21H19N3O2, CAS 886154-55-8](/s/OLAZJBJOQRVCND-UHFFFAOYSA-N.svg)
7-(3,4-Dimethoxyphenyl)-2-methyl-3-phenylpyrazolo[1,5-a]pyrimidine
CAS 886154-55-8C21H19N3O2
2,6-Dimethyl-N~3~,N~5~-diphenylpyridine-3,5-dicarboxamide
CAS 55275-98-4C21H19N3O2
![7-(2-Hydroxyphenyl)-2-[(3-methylphenyl)amino]-7,8-dihydroquinazolin-5(6H)-one chemical structure, C21H19N3O2, CAS 924870-52-0](/s/PHTKBTUGSMRLKB-UHFFFAOYSA-N.svg)
7-(2-Hydroxyphenyl)-2-[(3-methylphenyl)amino]-7,8-dihydroquinazolin-5(6H)-one
CAS 924870-52-0C21H19N3O2
![3-[(Anilinocarbonyl)amino]-N-methyl-N-phenylbenzamide chemical structure, C21H19N3O2, CAS 20613-49-4](/s/UTNSXFMGNOZHME-UHFFFAOYSA-N.svg)
3-[(Anilinocarbonyl)amino]-N-methyl-N-phenylbenzamide
CAS 20613-49-4C21H19N3O2
![4-[(Anilinocarbonyl)amino]-N-methyl-N-phenylbenzamide chemical structure, C21H19N3O2, CAS 20613-56-3](/s/NONGMZSCMZDCRP-UHFFFAOYSA-N.svg)
4-[(Anilinocarbonyl)amino]-N-methyl-N-phenylbenzamide
CAS 20613-56-3C21H19N3O2
1-(Naphthalen-1-ylmethyl)-3-(2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)urea
CAS 1170813-21-4C21H19N3O2
6-(Indoline-1-carbonyl)-2-(4-methylbenzyl)pyridazin-3(2H)-one
CAS 1049494-76-9C21H19N3O2
N-(2,3-Dihydro-1H-inden-2-yl)-2-(6-oxo-3-phenyl-1(6H)-pyridazinyl)acetamide
CAS 1219549-12-8C21H19N3O2
- 1-Ethyl-6-methyl-3-(3-(o-tolyl)-1,2,4-oxadiazol-5-yl)quinolin-4(1H)-one1358354-26-3C21H19N3O2
- N-(1H-Indol-6-yl)-1-oxo-2-(propan-2-yl)-1,2-dihydroisoquinoline-4-carboxamide1324057-69-3C21H19N3O2
- N-(1H-Indol-5-yl)-1-oxo-2-(propan-2-yl)-1,2-dihydroisoquinoline-4-carboxamide1324057-04-6C21H19N3O2
- [1,1'-Biphenyl]-4-yl(3-(3-cyclopropyl-1,2,4-oxadiazol-5-yl)azetidin-1-yl)methanone1351610-43-9C21H19N3O2
- N-[2-(1H-Indol-3-yl)ethyl]-1-methyl-2-oxo-1,2-dihydro-4-quinolinecarboxamide1374513-23-1C21H19N3O2
- N-[2-(1H-Indol-1-yl)ethyl]-1-methyl-2-oxo-1,2-dihydro-4-quinolinecarboxamide1401587-90-3C21H19N3O2
- 4-(3,5-Dimethylisoxazol-4-yl)-2-(p-tolyl)-1H-indole-7-carboxamide1643567-03-6C21H19N3O2
- 3-(Hydroxymethyl)-5-(3-methylbenzyl)-2-phenylpyrazolo[1,5-a]pyrazin-4(5H)-one2108740-62-9C21H19N3O2
- 5-(2-Hydroxy-2-phenylethyl)-2-(4-methylphenyl)pyrazolo[1,5-a]pyrazin-4(5H)-one2109584-11-2C21H19N3O2
- N-(2-Cyano-1,2,3,4-tetrahydronaphthalen-2-yl)-2-oxo-1,2,3,4-tetrahydroquinoline-6-carboxamide1825538-59-7C21H19N3O2
- 2,2'-[2,6-Pyridinediylbis(methylidynenitrilo)]bis[4-methylphenol]934268-45-8C21H19N3O2
- N-Benzoyloxy-4'-methyl-N-methyl-4-aminoazobenzene55398-25-9C21H19N3O2
- n-Methyl-n,n,n'-triphenyldicarbonimidic diamide2645-41-2C21H19N3O2
- N-(4-Methylphenyl)-n,n'-diphenyldicarbonimidic diamide2645-42-3C21H19N3O2
- N-(1,3-Benzodioxol-5-ylmethylideneamino)-1,2,3,4-tetrahydroacridin-9-amine91074-35-0C21H19N3O2
- Ethanone, 1-(4-methoxyphenyl)-2-[[4-(2-phenyldiazenyl)phenyl]amino]-725711-01-3C21H19N3O2
- Benzeneacetamide, 2-methoxy-N-[4-(2-phenyldiazenyl)phenyl]-1808469-82-0C21H19N3O2
- N-(1-Cyanocyclopentyl)-2-[4-(4-cyanophenyl)phenoxy]acetamide871672-76-3C21H19N3O2
- 2-Methyl-N-{2-[(pyridin-3-ylmethyl)carbamoyl]phenyl}benzamide915896-03-6C21H19N3O2
- N-(3-{[Ethyl(phenyl)amino]carbonyl}phenyl)isonicotinamide940461-96-1C21H19N3O2
- 3-Methyl-N-[1-(4-methylbenzyl)-1H-pyrazol-5-yl]-1-benzofuran-2-carboxamide1010869-68-7C21H19N3O2
- 3-(2-(1-Ethyl-1H-indol-3-yl)-2-oxoethyl)-2-methylquinazolin-4(3H)-one938007-43-3C21H19N3O2
- N-(3-Acetylphenyl)-3-cyclopropyl-1-phenyl-1H-pyrazole-5-carboxamide1134687-19-6C21H19N3O2
- (E)-N-(3-Acetylphenyl)-3-(1-benzylpyrazol-4-yl)prop-2-enamide1175962-11-4C21H19N3O2
- N-{4-[(1-Phenylethyl)carbamoyl]phenyl}pyridine-4-carboxamide1071296-91-7C21H19N3O2
- 3-(2-(2-Methylindolin-1-yl)-2-oxoethyl)-6-phenylpyrimidin-4(3H)-one1058225-81-2C21H19N3O2
- 2-Methoxy-4-[6-methyl-3-(phenylamino)imidazo[1,2-a]pyridin-2-yl]phenol954240-63-2C21H19N3O2
- N-[2-(1H-Indol-3-yl)ethyl]-2-methyl-1-oxo-1,2-dihydroisoquinoline-4-carboxamide1282105-82-1C21H19N3O2
- 2-(4-Methoxyphenyl)-5-(4-methylbenzyl)pyrazolo[1,5-a]pyrazin-4(5H)-one1359214-95-1C21H19N3O2
- 1-Propyl-3-(3-(o-tolyl)-1,2,4-oxadiazol-5-yl)quinolin-4(1H)-one1359019-47-8C21H19N3O2
- 2-(2-Methoxyphenyl)-5-(3-methylbenzyl)pyrazolo[1,5-a]pyrazin-4(5H)-one1359451-05-0C21H19N3O2
- 5-Benzyl-2-(4-ethoxyphenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one1358377-62-4C21H19N3O2
- N-{4-[(Anilinocarbonyl)amino]-2-methylphenyl}benzamide1246496-97-8C21H19N3O2
- (5-(3-Aminopyridin-2-yloxy)-3,4-dihydroquinolin-1(2H)-yl)(phenyl)methanone901309-49-7C21H19N3O2
- N-[4-[[3-(3,4-Dihydro-2H-pyran-2-yl)-2-pyridinyl]oxy]phenyl]-2-pyridinamine1231925-94-2C21H19N3O2
- N~2~,N~6~-Dimethyl-N~2~,N~6~-diphenylpyridine-2,6-dicarboxamide95937-89-6C21H19N3O2
- 3-(3,4-Diaminophenyl)-3-hydroxy-2-(phenylmethyl)-2,3-dihydro-1H-isoindol-1-one870604-57-2C21H19N3O2
- 1H-Indazole-1-carboxylic acid,6-(4-isoquinolinyl)-,1,1-dimethylethyl ester877264-78-3C21H19N3O2
- 2,2'-(Pyridine-2,6-diyl)bis(2-methyl-2,3-dihydro-1,3-benzoxazole)60994-19-6C21H19N3O2
- N-(7-Methoxyquinolin-3-yl)-2-(1-methyl-1H-indol-3-yl)acetamide1374521-24-0C21H19N3O2
- N-(1-Methyl-1H-indol-4-yl)-3-(5-phenyl-1,3-oxazol-2-yl)propanamide1401559-23-6C21H19N3O2
- N-{[5-(Furan-2-yl)-1-methyl-1H-pyrazol-3-yl]methyl}-2-(naphthalen-1-yl)acetamide1421473-42-8C21H19N3O2
- 2-[2-Oxo-2-(1,3,4,9-tetrahydro-2H-beta-carbolin-2-yl)ethyl]-2,3-dihydro-1H-isoindol-1-one1574515-56-2C21H19N3O2
- N-(1-Cyanocyclopentyl)-3-[(2-cyanophenyl)methoxy]benzamide1423773-49-2C21H19N3O2
- (3-(Benzyloxy)phenyl)(7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)methanone1797982-56-9C21H19N3O2
- 1-Benzoyl-N-(1-cyanocyclopropyl)-1,2,3,4-tetrahydroquinoline-6-carboxamide1444313-85-2C21H19N3O2
- (5-Methoxy-1H-indol-2-yl)(1,3,4,9-tetrahydro-2H-beta-carbolin-2-yl)methanone1574346-17-0C21H19N3O2
- 5-[6-(Benzyloxy)-1H-indol-1-yl]-1,3-dimethyl-1H-pyrazole-4-carbaldehyde1048016-61-0C21H19N3O2
- 4-(Benzyloxy)-1-(1,2-dimethyl-1H-benzimidazol-6-yl)pyridin-2(1H)-one1447914-98-8C21H19N3O2
- 4-(4-(4,6-Dimethylpyrimidin-5-yl)-3-methylphenoxy)-3-methylfuro[3,2-C]pyridine1609577-45-8C21H19N3O2
- N-((6-(Furan-2-yl)pyridin-3-yl)methyl)-2-(1-methyl-1H-indol-3-yl)acetamide2034306-70-0C21H19N3O2
- (Z)-2-(2-Methyl-3-phenylacryloyl)-3,4-dihydro-1H-dipyrido[1,2-a:4',3'-d]pyrimidin-11(2H)-one2035007-32-8C21H19N3O2
- N-([2,3'-Bipyridin]-4-ylmethyl)-4-oxo-4-phenylbutanamide1903168-89-7C21H19N3O2
- N-{[6-(Furan-3-yl)pyridin-3-yl]methyl}-2-(1-methyl-1H-indol-3-yl)acetamide2034560-71-7C21H19N3O2
- N-[2-(Furan-2-yl)-2-(1H-pyrazol-1-yl)ethyl]-2-(naphthalen-1-yl)acetamide2034593-38-7C21H19N3O2
- N-((5-(Furan-2-yl)pyridin-3-yl)methyl)-2-(1-methyl-1H-indol-3-yl)acetamide2034385-33-4C21H19N3O2
- N-((5-(2-Oxopyrrolidin-1-yl)pyridin-3-yl)methyl)-1-naphthamide2034464-91-8C21H19N3O2
- N5-(1-{[1,1'-biphenyl]-4-yl}ethyl)pyridine-2,5-dicarboxamide2408964-31-6C21H19N3O2
- N-Benzoyloxy-N-ethyl-4-aminoazobenzene55398-24-8C21H19N3O2
- 11b-Methyl-2-(4-methylphenyl)-5,6,11,11b-tetrahydro-1H-imidazo[1',5':1,2]pyrido[3,4-b]indole-1,3(2H)-dione1179489-68-9C21H19N3O2
- 6,7-Bis(4-methoxyphenyl)-2-methylpyrazolo[1,5-a]pyrimidine439110-71-1C21H19N3O2
- Propanamide, 3-phenoxy-N-[4-(2-phenyldiazenyl)phenyl]-476295-79-1C21H19N3O2
- 1H-Imidazol-2-amine, 4,5-dihydro-N-[4-(4-phenoxyphenoxy)phenyl]-827610-45-7C21H19N3O2
- N-(2-Aminophenyl)-4-(phenylacetylamino)benzamide209784-32-7C21H19N3O2
- N-{4-[(3-Phenylpropanoyl)amino]phenyl}pyridine-4-carboxamide941469-16-5C21H19N3O2
- 1-(Naphthalen-1-yl)-3-(5-oxo-1-phenylpyrrolidin-3-yl)urea894007-66-0C21H19N3O2
- 3,5-Bis(benzyloxy)benzyl azide811473-55-9C21H19N3O2
- Benzamide, 3-(methoxymethyl)-N-[4-(2-phenyldiazenyl)phenyl]-1112041-07-2C21H19N3O2
- 1-(2,3-Dihydro-1H-inden-1-yl)-4-(5-phenyl-1,2,4-oxadiazol-3-yl)pyrrolidin-2-one1170610-61-3C21H19N3O2
- 3-(3-Acetyl-1H-indol-1-yl)-N-(1H-indol-6-yl)propanamide1219557-87-5C21H19N3O2
- 3-(3-Acetyl-1H-indol-1-yl)-N-(1H-indol-5-yl)propanamide1219575-88-8C21H19N3O2
- 2-(1-Methyl-1H-indol-3-yl)-N-(4-methyl-2-oxo-1,2-dihydroquinolin-7-yl)acetamide1251558-13-0C21H19N3O2
- 2-[2-(2-Benzyl-5-methyl-2H-pyrazol-3-yl)-ethyl]-isoindole-1,3-dione955403-42-6C21H19N3O2
- (5-Cyclopentyloxy-1H-pyrrolo[2,3-b]pyridin-3-yl)-(1H-indol-6-yl)-methanone1036008-14-6C21H19N3O2
- 2-Benzamido-N-phenethylisonicotinamide1202926-21-3C21H19N3O2
- 2-(1-Benzyl-pyrazol-4-yl)-4-hydroxy-7-methoxy-8-methyl-quinoline1108659-94-4C21H19N3O2
Frequently asked questions
What is the molar mass of C21H19N3O2?
The molar mass of C21H19N3O2 is 345.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 345.1477 Da.
How many compounds have the formula C21H19N3O2?
CompoundList lists 246 compounds with the molecular formula C21H19N3O2, including N-(4-{[Ethyl(phenyl)amino]carbonyl}phenyl)isonicotinamide, 2-((4-(2,2-Dicyanovinyl)phenyl)ethylamino)ethyl benzoate, 7-[(4-Ethoxyphenyl)amino]-6-phenyl-5H,6H,7H-pyrrolo[3,4-B]pyridin-5-one. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.
What is the degree of unsaturation of C21H19N3O2?
C21H19N3O2 has a degree of unsaturation of 14. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.